package lang;
public  class  TestString {

}
class Parent{
    public Parent(){ System.out.println("a"); }
    static { System.out.println("c"); }

    {
        System.out.println("d");
    }

}
class Sub extends Parent{

    public Sub(){ System.out.println("b"); }
    static { System.out.println("z"); }

    {
        System.out.println("m");
    }
    public static void main(String[] args) { Sub sub = new Sub();
    // czdamb
        Thread thread = new Thread(()->{
            System.out.println();
        });
    }
}
